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Feature #11211

closed

GUI option to set RADIUS Timeout for EAP-RADIUS

Added by Viktor Gurov 10 months ago. Updated 5 months ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
IPsec
Target version:
Start date:
01/02/2021
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
21.05
Release Notes:
Default

Description

see https://forum.netgate.com/topic/108637/ipsec-ikev2-with-eap-radius-vpn-azure-multi-factor-authentication
and https://forum.netgate.com/topic/128539/allow-setting-radius-timeout-for-eap-radius

There is currently no way to adjust the RADIUS timeout for EAP-RADIUS authentication in conjunction with Mobile IKEv2. The "Authentication Timeout" setting in System -> User Manager -> Authentication Servers is ignored.

Instead the following defaults are used:
https://github.com/strongswan/strongswan/blob/5.9.0/conf/plugins/eap-radius.opt:

charon.plugins.eap-radius.retransmit_base = 1.4
    Base to use for calculating exponential back off.

charon.plugins.eap-radius.retransmit_timeout = 2.0
    Timeout in seconds before sending first retransmit.

charon.plugins.eap-radius.retransmit_tries = 4
    Number of times to retransmit a packet before giving up.

charon.plugins.eap-radius.sockets = 1
    Number of sockets (ports) to use, increase for high load.

To use 2FA/MFA with RADIUS the timeout needs to be adjusted to 60s, retries eliminated, and sockets need to be adjusted to allow more than one concurrent authentication.

it would be nice to add "RADIUS Advanced options" to vpn_ipsec_mobile.php

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